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편석법에 의한 Al 정련시 불순물농도의 정량적계산에 관한 연구
Quantitative analysis of impurity concentration in purification of Al by segregation method
김경민 , 윤의박 ( Kyoung Min Kim , Eui Pak Yoon )
UCI I410-ECN-0102-2009-580-008960351

The effect of forced convention on the solute redistribution of the Al ingot was studied quantitatively in an effort to fabricate high purity aluminum using a segregation method. Based on the experimental results, the solute concentration in the solid phase tended to decrease at the early state of solidification, and then increased gradually as solidification proceeded. Fe and Si concentrations decreased as growth rate decreased and as revolution speed increased. The solute redistribution obtained from the BPS model incorporated with the tangential flow component as well as the axial flow component within the melt, agreed well with the measurements.

[자료제공 : 네이버학술정보]
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